One of the world's most wanted men, al-Baghdadi is known to strike fear in the hearts of ISIS cowards.

But he has been left seething after a hacker breached a secure radio line in Mosul, Iraq, to warn him of his impending defeat.

A source in Mosul said: "An anonymous individual hacked, at noon today, the radio frequency of the Islamic State, west of Mosul, and sent a message to Abu Bakr al-Baghdadi that 'Mosul will be liberated'.

“An anonymous individual hacked Islamic State and sent a message to Abu Bakr al-Baghdadi that Mosul will be liberated”

Mosul source

"The hacking is the first of its kind in areas west of Mosul that are considered alley headquarters for the extremist group.

"Members of the Islamic State suffered confusion due to the hacking."

ISIS is using a wireless communication system to order brainwashed jihadis and give attack commands.

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The terror group was forced to abandon using popular message service WhatsApp for fear of surveillance issues.